Novel Pixel Circuit With Compensation for Normally-Off/On a-IGZO TFTs and OLED Luminance Degradation

Chih-Lung Lin,Po Syun Chen,Po Chun Lai,Ting Ching Chu,Ming Xun Wang,Chia Lun Lee

Journal of Display Technology（2016）

引用 11|浏览11

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摘要

This letter presents a new pixel circuit reaching simultaneous compensation for a threshold voltage (VTH) shift of normally-off and normally- on a-IGZO TFTs, as well as luminance drop of an OLED device for ultrahigh-definition active-matrix organic light-emitting diode displays. Simulation results demonstrate the successful detection of a 1 V shift of threshold voltage despite normally-off and nor...

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关键词

Thin film transistors,Threshold voltage,Active matrix organic light emitting diodes,Voltage measurement,Integrated circuit modeling,Degradation

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